Dust Ignition protection motors

ABB offers a wide range of dust ignition proof motors, both low and high voltage, from 0.25 to 7,700 kW.

  • The motors fulfil the EN standards and ATEX directives and comply with many other international and local regulations

  • Low voltage motors fulfil IE2 and IE3 efficiency class requirements

  • With Ex t motors, any explosion transmission of dust is prevented

Type of protection Ex t

Output power: 0.25 to 2000 kW                                          

Frame size: IEC 71 to 560

Frame material: Aluminum or cast iron

Number of poles: 2 to 8

Voltages: All commonly used voltages

Frequency: 50 or 60 Hz

Protection: IP 55 or IP 65

Protection type: 

For zone 21: EPL Db, T 125°C, IP65
For zone 22: EPL Dc, T 125°C, IP55 or IP65
Dust groups IIIB and IIIC


Certificates: IECEx / ATEX certified, national certificates, for example, CU-TR (Russia, Belarus and Kazakhstan), CQST (China) and INMETRO (Brazil)


 •   Certified with variable speed drive
 •   Variants for different standards in the oil and gas sector
 •   Type approval for most marine classification societies
 •   Application specific design available 

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